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	Base (chemistry) - Wikipedia, the free encyclopedia
		The common definition of a base is a chemical compound that absorbs hydronium ions when dissolved in water (a proton acceptor).
		Bases and acids are seen as opposites because the effect of an acid is to increase the hydronium ion (H
		Bases are slightly less viscous than pure water, have a bitter taste and are soapy to the touch.
	en.wikipedia.org /wiki/Base_(chemistry) (501 words)

	Strong base - Wikipedia, the free encyclopedia
		A strong base is a basic chemical compound that is able to deprotonate very weak acids in an acid-base reaction.
		In water strong bases form hydroxyl ions (OH), either by complete dissociation through solvation (metal hydroxides) or by chemical reaction with water (e.g.
		Very strong bases are even able to deprotonate very weakly acidic C-H groups in the absence of water.
	en.wikipedia.org /wiki/Strong_base (157 words)

	Chemistry : Chapter 16 : Overview (Site not responding. Last check: 2007-10-08)
		However, substances are generally classified as an acid or base based on the reaction of that substance in (with) water.
		Bases are normally metal hydroxides or organic nitrogen compounds (amines) or ammonia (NH), which is a special case of an amine.
		The strong bases are hydroxide salts of the group I metals, calcium, strontium, or barium.
	www.wwnorton.com /chemistry/overview/ch16.htm (1874 words)

	Acid/Base Strength (Site not responding. Last check: 2007-10-08)
		When a strong acid of a given concentration in a dilute aqueous solution ionizes, the resulting concentration of hydronium ions and the resulting concentration of the conjugate base are equal to the original concentration of the acid.
		Since strong acids and bases ionize so completely, any ionization from the water itself may be neglected in cases of ordinary concentration of the acid or base.
		The conjugate acid of a weak base is a strong acid and the conjugate base of a strong acid is a weak base.
	www.scientia.org /cadonline/Chemistry/acidbase/strength.ASP (682 words)

	Strong base: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-08)
		An acid-base reaction is a chemical reaction between an acid and a base....
		Lithium diisopropylamide (lda), is a strong base, widely used in organic chemistry for the generation of carbanions....
		The common (arrhenius) definition of a base is a chemical compound that either donates hydroxide ions or absorbs hydrogen ions when dissolved in water....
	www.absoluteastronomy.com /encyclopedia/s/st/strong_base.htm (653 words)

	Chemical Sciences: Acidity of Solutions Considering Acid-Base Reactions
		This has to be the case for, if the resultant acid or base were stronger, it would promptly donate the proton to (or, in the case of the base, acquire the proton from) the species which originally did (or, in the case of the base, did not) possess it.
		A strong acid reacts with a weak base to yield the weak acid which is the conjugate acid of the weak base.
		Likewise, a strong base reacts with a weak acid to yield the weak base which is the conjugate base of the weak acid.
	www.psigate.ac.uk /newsite/reference/plambeck/chem1/p01116.htm (1170 words)

	Base and Strong Generator Functions (Site not responding. Last check: 2007-10-08)
		Construct a presentation for the matrix group G on a set of strong generators and return the presentation in the form of a finitely presented group F that is isomorphic to G. In Magma, the Todd-Coxeter Schreier algorithm is used to construct the presentation.
		If strong generators have to be constructed, the parameter Random with its associated parameters Max and Run may be used to apply the Random Schreier algorithm to construct a probable BSGS before commencing the construction of the presentation.
		Given a matrix group G for which a base and strong generating set are known, and an integer i, where 1 <= i <= k with k the length of the base, return the subgroup of G which fixes the first i - 1 points of the base.
	www.sci.kuniv.edu.kw /magma/text285.html (1169 words)

	Base and Strong Generating Set
		Construct a base and strong generating set for the soluble permutation group G using the algorithm of Sims [Sim90].
		Given a permutation group G for which a base and strong generating set are known, and an integer i, where 1 <= i <= k with k the length of the base, return the subgroup of G which fixes the first i - 1 points of the base.
		A set of strong generators for the i-th term in the stabilizer chain for the permutation group G. A BSGS must be known for G. Working with a Base and Strong Generating Set
	www.umich.edu /~gpcc/scs/magma/text324.htm (1968 words)

	Untitled (Site not responding. Last check: 2007-10-08)
		The OH (strong base) reacts fully with the weak acid; in the process, some weak acid is converted to the conjugate (weaker compared to OH) base of the acid.
		And so, since it is a base that's formed at the equivalence point of a titration, the pH sharply rises from the mildly acidic buffer region to the decidedly basic pH of a moderately weak but not too strong base.
		The pH is entirely that of the strong base's concentration, allowing for the fact that the base has been diluted after addition to the titration beaker.
	www.nv.cc.va.us /alexandria/science/pKaofanacid.htm (796 words)

	Chemistry: Acids and Bases
		This is because the conjugate base of a strong acid is very weak and cannot undergo hydrolysis.
		An acid-base titration is when you add a base to an acid until the equivalence point is reached which is where the moles of acid equals the moles of base.
		For the titration of a strong base with a weak acid, the equivalence point is reached when the pH is greater than seven (7).
	www.shodor.org /unchem/basic/ab (1233 words)

	044 Titration Strong Acid/Strong Base (Site not responding. Last check: 2007-10-08)
		Strong acids may be titrated using strong bases, and vice versa.
		In a strong acid/strong base titration, the solution when one mole of each reactant has been added is a neutral solution.
		Add base to this well, one drop at a time while stirring with a toothpick, until a faint pink color is observed that remains for 30 seconds on standing.
	dwb.unl.edu /chemistry/smallscale/SS044c.html (1279 words)

	Bases (Site not responding. Last check: 2007-10-08)
		A base which ionizes almost completely in solution is said to be a strong base, wheras one which has a small degree of ionization is a weak base.
		Of the common bases, sodium hydroxide is a strong base.
		The basicity of solutions is measured in terms of the pH of the solution, and strong bases will raise the pH more for a given molarity of solution.
	hyperphysics.phy-astr.gsu.edu /hbase/chemical/base.html (143 words)

	Buffers
		Calculations are based on the equation for the ionization of the weak acid in water forming the hydronium ion and the conjugate base of the acid.
		When a strong base (OH) is added to a buffer solution, the hydroxide ions are consumed by the weak acid forming water and the weaker conjugate base of the acid.
		Second, added strong acid will react with the conjugate base, CO Therefore, the maximum amount of acid that can be added will be equal to the amount of CO, 0.50 moles.
	www.chem.purdue.edu /gchelp/howtosolveit/Equilibrium/Buffers.htm (1100 words)

	Acid-Base Titrations and Buffered Solutions
		In an acid-base titration, an aqueous solution containing a known concentration of base is slowly added (usually via a buret) to a flask containing an aqueous solution of an acid.
		This experiment is performed with an aqueous solution of a strong acid inside a flask (The pH of this solution is monitored as a function of the added volume of an aqueous solution of a strong base (NaOH, for example)).
		At half equivalence point, the mmoles of base added are only half the mmoles of acid originally present, the concentrations of the conjugate base and the remaining weak acid are the same.
	bouman.chem.georgetown.edu /S02/lect19/lect19.htm (714 words)

	Acid Strength
		The bond strengths of acids and bases are implied by the relative amounts of molecules and ions present in solution.
		Strong acids have mostly ions in solution, therefore the bonds holding H and A together must be weak.
		Acids or bases with strong bonds exist predominately as molecules in solutions and are called "weak" acids or bases.
	www.elmhurst.edu /~chm/vchembook/185strength.html (404 words)

	[No title]
		Base Proton Conjugate acid OH- H+ HOH PO43- H+ HPO42- HOH H+ H3O+ NH3 H+ NH4+ CH3OH H+ CH3OH2+ E. For each of the following identify the acid, base and conjugate base and acid.
		Strong bases must have a weak conjugate acid.
		The bond polarity is useful in a broad sense to categorize substances as acids or bases.
	facstaff.unca.edu /bholmes/Chap16.doc (3272 words)

	SparkNotes: Titrations: Acid-Base Titrations
		An indicator is an acid or base whose conjugate acid or conjugate base has a color different from that of the original compound.
		Also remember that the equivalence point for a strong acid-strong base titration curve is exactly 7 because the salt produced does not undergo any hydrolysis reactions.
		The titration of a base with an acid produces a flipped-over version of the titration curve of an acid with a base.
	www.sparknotes.com /chemistry/acidsbases/titrations/section1.html (716 words)

	Titrations
		The amount of strong base that is added will ionize completely, to produce a stoichiometric amount of OH aq) and conjugate acid (e.g.
		Acid base indicators) and accordingly are useful for tracking the pH in a titration, usually as a means of detecting the equivalence point of the titration.
		The equivalence point is a single point defined by the reaction stoichiometry as the point at which the base (or acid) added exactly neutralizes the acid (or base) being titrated.
	www.chemistry.nmsu.edu /studntres/chem116/notes/titrations.html (1498 words)

	Generating a Titration Curve - Strong Acid & Strong Base (Site not responding. Last check: 2007-10-08)
		In this exercise you are going to generate a plot of the changes in pH as a strong acid is added to a strong base.
		In this exercise you are going to construct a spreadsheet for the titration of a strong acid by a strong base.
		acid-base indicator dyes and determine which indicators would be acceptable, based on the idea that the indicator must change color near the equivalence point for the reaction.
	www.carlton.paschools.pa.sk.ca /chemical/equilibrium/acidbase1.htm (761 words)

	SaltSoln (Site not responding. Last check: 2007-10-08)
		A salt derived from a strong acid and a strong base
		A salt derived from a strong acid and a weak base
		A salt derived from a weak acid and a strong base
	wine1.sb.fsu.edu /chm1046/notes/AcidBase/SaltSoln/SaltSoln.htm (478 words)

	acid base definitions
		The conjugate base comes from an aqueous salt which dissociates in water to give the base.
		Conversely, a buffer solution can also be prepared by starting with a weak base and adding half as many moles of a strong acid.
		A general estimate of the buffer capacity is 40% of the sum of the molarities of the conjugate acid and conjugate base:
	www.chem.tamu.edu /class/majors/tutorialnotefiles/buffers.htm (386 words)

	[No title]
		There are two aspects to balancing: (1) balancing for mass (i.e., the same number and type of atoms must be present on both sides), and (2) balancing for charge (i.e., the net sum and sign of ionic charges on both sides must be the same).
		Weak acids and bases are present in aqueous solutions mostly as the un-ionized molecular compound, very few ions are present.
		A strong base will have a weak conjugate acid cation.
	www.luc.edu /faculty/spavko1/c102/lect/12-feb.htm (968 words)

	Mechanical Music - antique music boxes for sale (Site not responding. Last check: 2007-10-08)
		This is the more attractive base, very decorative, with sliding shelves for setting discs on.
		The base cabinets are much scarcer than the music box, especially in the more decorative styles like this, which includes two pull-out sorting shelves.
		Base cabinet is 23” wide, 21” deep, 33” high.
	www.mechantiques.com (5942 words)

	CHEM 101 lectures
		When we say an acid is a strong acid, we mean that it has a strong tendency to transfer a proton.
		Conversely, once a strong acid has lost a proton, it is now the conjugate base, and if the acid that gave rise to it readily loses its proton (i.e.
		What this does mean is that water being a weak acid implies that hydroxide ion is a strong base, and water as a weak base reciprocated by the strength of hydronium ion as an acid.
	guweb2.gonzaga.edu /faculty/cronk/chemistry/pub_index.cfm?pubcourse=CHEM101&L=32 (969 words)

	Acid-Base Titration Curves (Site not responding. Last check: 2007-10-08)
		Titration of a strong acid by a strong base.
		The solution contains an excess of a strong base, and the [OH ] is determined solely by the concentration of the excess base.
		The solution contains an excess of weak base and the salt of the weak base and strong acid (NH Cl in NH /HCl titration).
	science.lccc.wy.edu /Chemistry/ChemClass/AcidBase/titrationCurves.html (389 words)

	Chemical Sciences. Introduction to Acid-Base Titrations
		Virtually all acid-base titrations are carried out using a strong acid or strong base.
		In most cases the strong acid or strong base is used as the titrant.
		It is less common, but equally feasible, to place the strong acid or strong base in the titration vessel and use the weak acid or weak base as the titrant.
	www.psigate.ac.uk /newsite/reference/plambeck/chem1/p01117.htm (554 words)

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